JPS63132786U - - Google Patents

Info

Publication number
JPS63132786U
JPS63132786U JP2464987U JP2464987U JPS63132786U JP S63132786 U JPS63132786 U JP S63132786U JP 2464987 U JP2464987 U JP 2464987U JP 2464987 U JP2464987 U JP 2464987U JP S63132786 U JPS63132786 U JP S63132786U
Authority
JP
Japan
Prior art keywords
whiteboard
blackboard
board
allows
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2464987U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP2464987U priority Critical patent/JPS63132786U/ja
Publication of JPS63132786U publication Critical patent/JPS63132786U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
JP2464987U 1987-02-20 1987-02-20 Pending JPS63132786U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2464987U JPS63132786U (enExample) 1987-02-20 1987-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2464987U JPS63132786U (enExample) 1987-02-20 1987-02-20

Publications (1)

Publication Number Publication Date
JPS63132786U true JPS63132786U (enExample) 1988-08-30

Family

ID=30824075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2464987U Pending JPS63132786U (enExample) 1987-02-20 1987-02-20

Country Status (1)

Country Link
JP (1) JPS63132786U (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332045A (zh) * 2013-06-14 2013-10-02 张更生 无尘黑板
CN105034664A (zh) * 2015-08-07 2015-11-11 湖南城市学院 帆布卷轴式黑板
CN107031241A (zh) * 2017-03-23 2017-08-11 上海工程技术大学 一种自擦式滚动黑板

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103332045A (zh) * 2013-06-14 2013-10-02 张更生 无尘黑板
CN105034664A (zh) * 2015-08-07 2015-11-11 湖南城市学院 帆布卷轴式黑板
CN105034664B (zh) * 2015-08-07 2017-01-18 湖南城市学院 帆布卷轴式黑板
CN107031241A (zh) * 2017-03-23 2017-08-11 上海工程技术大学 一种自擦式滚动黑板

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